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參數(shù)資料
| 型號： | LM3402HVMM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5A Constant Current Buck Regulator for Driving High Power LEDs |
| 中文描述： | 0.94 A SWITCHING REGULATOR, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 5/22頁 |
| 文件大小： | 840K |
| 代理商： | LM3402HVMM |
Electrical Characteristics
V
IN
= 24V unless otherwise indicated. Typicals and limits appearing in plain type
apply for T
A
= T
J
= +25C. (Note 4) Limits appearing in boldface type apply over full Operating Temperature Range.
Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis. (Continued)
LM3402/LM3402HV
(Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
N-MOSFET AND DRIVER
R
DS-ON
V
DR-UVLO
Buck Switch On Resistance
BOOT Under-voltage
Lock-out Threshold
BOOT Under-voltage
Lock-out Hysteresis
I
SW
= 200mA, BOOT-SW = 6.3V
BOOT–SW Increasing
0.7
3
1.5
4
V
1.7
V
DR-HYS
BOOT–SW Decreasing
400
mV
THERMAL SHUTDOWN
T
SD
T
SD-HYS
Thermal Shutdown Threshold
Thermal Shutdown
Hysteresis
165
25
C
C
THERMAL RESISTANCE
θ
JA
Junction to Ambient
MUA Package
200
C/W
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see Electrical Characteristics.
Note 2:
The human body model is a 100 pF capacitor discharged through a 1.5 k
resistor into each pin.
Note 3:
VCC provides self bias for the internal gate drive and control circuits. Device thermal limitations limit external loading.
Note 4:
Typical specifications represent the most likely parametric norm at 25C operation.
L
www.national.com
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3402HVMM/NOPB | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| LM3402HVMMX | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| LM3402HVMMX/NOPB | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| LM3402HVMR | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 6V to 75V 8-Pin PSOP EP Rail 制造商:Texas Instruments 功能描述:Buck Reg for Hi Pwr LED Drvs, LM3402HVMR |
| LM3402HVMR/NOPB | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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